*{
    padding: 0;
    margin:0 20px 0 20px;
    text-decoration: none;
}
.logo{
    width: 100%;
    background-image: url("主页背景图.jpg");
    height: 600px;
    position: relative;
    background-size: cover;
    margin: 10px 0;
}
#BJ{
    position: absolute;
    z-index: 1;
    object-fit: cover;
}
#XH{
    width: 150px;
    margin-top: 30px;
    margin-left: 30px;
}
.logo h4{
    /* 设置鼠标放上去为手型 */
    cursor: pointer;
    font-size: 20px;
    text-align: left;
    font-family: 'Times New Roman', Times, serif;
    /* 每个字中间隔开2个像素 */
    letter-spacing: 2px;
    margin-left: 10px;
}
.logo a{
    text-decoration: none;
}
.logo h4:hover{
    color: #ce8460;
}



.nav{
    position: relative;
    z-index: 1;
    height: 60px;
    width: 100%;
    background-color: #eee;
}
.list{
    float: left;
    list-style: none;
    
    line-height: 60px;
    font-size: 20px;
}
.list a{
    color: #000;
    padding: 0 30px 0 30px;
    display: block;
}
.list a:hover{
    background: #ccc;
}
.dorp{
    background: #eee;
    box-shadow:0px 1px 2px #666;
    display: none;
}
.list:hover .dorp{
    display: block;
}



section{
    overflow: hidden;
    z-index: 2;
    margin: 30px 40px;
    padding: 30px 20px;
    background-color: rgb(227, 227, 227);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}
section ul li {
    font-size: 30px;
    font-weight: 500;
}
h4{
    font-size: 40px;
    letter-spacing: 3px;
    text-align: center;
}
#gai{
    margin-top: 350px;
}
#gai p{
    font-size: 28px;
    letter-spacing: 2px;
}


.box1{
    text-align: center;
    margin: 0 20px;
}
.box1 img{
    width: 100%;
    margin: 0;
}

#two2>ul>li,#three2>ul>li{
    padding: 20px;
    font-size: 35px;
}
#JY{
    margin-left: 100px;
}
#JY li{
    padding: 20px;
}

#sheshi>ul>li{
    font-size: 40px;
    font-weight: 500;
    letter-spacing: 2px;
}
#sheshi ul ul{
    margin-left: 50px;
}
#lianxi p{
    font-size: 30px;
    text-align: center;
}
section.sec{
    background-color: rgb(186, 184, 184);
}
.box2 p{
    font-size: 30px;
    font-weight: bold;
    width: 100%;
    text-align: center;
    letter-spacing: 1px;
}
#lianxi p a:hover{
    color: #ce8460;
}
.box3 img{
    width: 100%;
    margin: 20px 0;
}
p{
    font-size: 30px;
    font-weight: 500;
    text-indent: 2em;
}
h1{
    font-size: 30px;
}

#sushe{
    display: inline;
    width: 300px;
    height: 200px;
}